x-bar = 20, n = 32, = 4, H0: = 22, Ha: < 22

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x-bar = 20, n = 32, σ = 4, H0: μ = 22, Ha: μ < 22
We have provided a sample mean, sample size, and population standard deviation. In each case, use the one-mean z-test to perform the required hypothesis test at the 5% significance level.

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Elementary Statistics

ISBN: 9780321691231

8th Edition

Authors: Neil A. Weiss

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Question Posted: Aug 13, 2015 03:31 AM

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x-bar = 20, n = 32, = 4, H0: = 22, Ha: < 22

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For the critical value approach reject H 0 if z 16...View the full answer

Elementary Statistics

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